Roig, M. (2007). Avoiding plagiarism, self-plagiarism and other questionable writing practices: A guide to ethical writing. Retrieved December 3, 2008 from http://facpub.stjohns.edu/roigm/plagiarism/Index/html
2.
U.S. Public Health Service. (1989, August 8). Responsibility of PHS awardee and applicant institutions for dealing with and reporting possible misconduct in science. 54 Federal Register 151; 42 CRF Part50, 32446-32451.